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26 lines
861 B
Swift
26 lines
861 B
Swift
// RUN: %target-swift-frontend -emit-ir -verify %s
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// RUN: %target-swift-frontend -emit-ir -verify -disable-requirement-machine-concrete-contraction %s
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// https://github.com/apple/swift/issues/52436
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protocol P1 {
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associatedtype A2 : P2 where A2.A1 == Self
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}
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protocol P2 {
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associatedtype A1 : P1 where A1.A2 == Self
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var property: Int { get }
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}
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extension P2 {
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var property: Int { return 0 }
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}
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class C1 : P1 {
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// expected-warning@-1 {{non-final class 'C1' cannot safely conform to protocol 'P1', which requires that 'Self.A2.A1' is exactly equal to 'Self'; this is an error in the Swift 6 language mode}}
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class A2 : P2 {
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// expected-warning@-1 {{non-final class 'C1.A2' cannot safely conform to protocol 'P2', which requires that 'Self.A1.A2' is exactly equal to 'Self'; this is an error in the Swift 6 language mode}}
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typealias A1 = C1
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}
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}
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